* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            min-height: 100vh;
            /*background: url(images/05.png) center / cover;*/
            display: flex;
            justify-content: center;
            align-items: center;
        }

        main.table {
            z-index: 999;
            width: 400px;
            height: 470px;
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            background-color: #fff5;
            box-shadow: 0 8px 16px #0005;
            border-radius: 16px;
            overflow: hidden;
        }

        .header {
            width: 100%;
            height: 10%;
            padding: 0 40px;
            /*display: flex;*/
            justify-content: space-between;
            align-items: center;
        }

        .header .input-group {
            width: 35%;
            height: 50%;
            background-color: #fff5;
            padding: 0 20px;
            border-radius: 10px;
            display: flex;
            justify-content: center;
            align-items: center;
            transition: .2s;
        }

        .header .input-group:hover {
            width: 45%;
            background-color: #fff8;
            box-shadow: 0 5px 40px #0002;
        }

        .header .input-group img {
            width: 20px;
            height: 20px;
        }

        .header .input-group input {
            width: 100%;
            background-color: transparent;
            border: none;
            outline: none;
        }

        .shell {
            width: 98%;
            max-height: 470px;
            background-color: #fffb;
            margin: 8px auto;
            border-radius: 10px;
            overflow: auto;
            /*overflow: overlay;*/
        }

        .shell::-webkit-scrollbar {
            width: 10px;
            height: 10px;
        }

        table {
            width: 100%;
        }


        table,
        th,
        td {
            border-collapse: collapse;
            padding: 10px;
            text-align: left;
        }

        thead th {
            position: sticky;
            top: 0;
            left: 0;
            background-color: #5ba8ff;
            color: white;
            /*cursor: pointer;*/
        }

        /* 偶数行背景色 */
        tbody tr:nth-child(even) {
            background-color: #0000000b;
        }

        tbody tr:hover {
            background-color: #fff6 !important;
        }

        .button {
            padding: 5px 0;
            border-radius: 40px;
            text-align: center;
            cursor: pointer;
        }

        /*tr:nth-child(4n) .button {*/
        /*    background-color: #5ba8ff;*/
        /*}*/

        /*tr:nth-child(4n-1) .button {*/
        /*    background-color: #5ba8ff;*/
        /*}*/

        /*tr:nth-child(4n+1) .button {*/
        /*    background-color: #5ba8ff;*/
        /*}*/

        /*tr:nth-child(4n+2) .button {*/
        /*    background-color: #5ba8ff;*/
        /*}*/